Annual or short-lived perennial branching from base, to 20 cm high. Branches pilose. Leaves very narrowly ovate to very narrowly oblong, 5–10 mm long, villous. Flowers solitary. Perianth villous. Stamens 5. Fruiting perianth villous; attachment basal and oblique, minute; tube turbinate, somewhat dorsiventrally compressed, 1.5–3 mm long; apex truncate, slightly concave, but with erect membranous limb in centre; spines 2, lateral, ascending, 0.5–1.5 mm long, a pair of adjacent minute radicular tubercles also present or these developing short spines. Seed and radicle erect.
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